239728580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:674

約数の個数: 144

約数和(自身を含む): 652087296

約数和(自身を除く): 412358716

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 140, 155, 182, 196, 217, 245, 260, 310, 364, 403, 434, 455, 490, 607, 620, 637, 806, 868, 910, 980, 1085, 1214, 1274, 1519, 1612, 1820, 2015, 2170, 2428, 2548, 2821, 3035, 3038, 3185, 4030, 4249, 4340, 5642, 6070, 6076, 6370, 7595, 7891, 8060, 8498, 11284, 12140, 12740, 14105, 15190, 15782, 16996, 18817, 19747, 21245, 28210, 29743, 30380, 31564, 37634, 39455, 39494, 42490, 55237, 56420, 59486, 75268, 78910, 78988, 84980, 94085, 98735, 110474, 118972, 131719, 148715, 157820, 188170, 197470, 220948, 244621, 263438, 276185, 297430, 376340, 386659, 394940, 489242, 526876, 552370, 594860, 658595, 773318, 922033, 978484, 1104740, 1223105, 1317190, 1546636, 1712347, 1844066, 1933295, 2446210, 2634380, 3424694, 3688132, 3866590, 4610165, 4892420, 6849388, 7733180, 8561735, 9220330, 11986429, 17123470, 18440660, 23972858, 34246940, 47945716, 59932145, 119864290, 239728580]

約数ペア:

[(1, 239728580), (2, 119864290), (4, 59932145), (5, 47945716), (7, 34246940), (10, 23972858), (13, 18440660), (14, 17123470), (20, 11986429), (26, 9220330), (28, 8561735), (31, 7733180), (35, 6849388), (49, 4892420), (52, 4610165), (62, 3866590), (65, 3688132), (70, 3424694), (91, 2634380), (98, 2446210), (124, 1933295), (130, 1844066), (140, 1712347), (155, 1546636), (182, 1317190), (196, 1223105), (217, 1104740), (245, 978484), (260, 922033), (310, 773318), (364, 658595), (403, 594860), (434, 552370), (455, 526876), (490, 489242), (607, 394940), (620, 386659), (637, 376340), (806, 297430), (868, 276185), (910, 263438), (980, 244621), (1085, 220948), (1214, 197470), (1274, 188170), (1519, 157820), (1612, 148715), (1820, 131719), (2015, 118972), (2170, 110474), (2428, 98735), (2548, 94085), (2821, 84980), (3035, 78988), (3038, 78910), (3185, 75268), (4030, 59486), (4249, 56420), (4340, 55237), (5642, 42490), (6070, 39494), (6076, 39455), (6370, 37634), (7595, 31564), (7891, 30380), (8060, 29743), (8498, 28210), (11284, 21245), (12140, 19747), (12740, 18817), (14105, 16996), (15190, 15782)]